Show Drush usage information that has been logged but not sent. Usage statistics contain the Drush command name and the Drush option names, but no arguments or option values.

variable-delete(vdel)

Delete a variable.

variable-get (vget)

Get a list of some or all site variables and values.

variable-set (vset)

Set a variable.

version

Show drush version.

Cache commands: (cache)

cache-clear(cc)

Clear a specific cache, or all drupal caches.

cache-get(cg)

Fetch a cached object and display it.

cache-rebuild(cr,rebuild)

Rebuild a Drupal 8 site and clear all its caches.

cache-set(cs)

Cache an object expressed in JSON or var_export() format.

Config commands: (config)

config-edit(cedit)

Open a config file in a text editor. Edits are imported into active configration after closing editor.

config-export(cex)

Export config from the active directory.

config-get(cget)

Display a config value, or a whole configuration object.

config-import(cim)

Import config from a config directory.

config-list (cli)

List config names by prefix.

config-set(cset)

Set config value directly in active configuration.

Field commands: (field)
field-clone Clone a field and all its instances.
field-create Create fields and instances. Returns urls for field editing.
field-delete Delete a field and its instances.
field-info View information about fields, field_types, and widgets.
field-update Return URL for field editing web page.

Project manager commands: (pm)
pm-disable (dis) Disable one or more extensions (modules or themes).
pm-download (dl) Download projects from drupal.org or other sources.
pm-enable (en) Enable one or more extensions (modules or themes).
pm-info (pmi) Show detailed info for one or more extensions (modules or themes).
pm-list (pml) Show a list of available extensions (modules and themes).
pm-refresh (rf) Refresh update status information.
pm-releasenotes(rln) Print release notes for given projects.
pm-releases (rl) Print release information for given projects.
pm-uninstall (pmu) Uninstall one or more modules.
pm-update (up) Update Drupal core and contrib projects and apply any pending database updates (Same as pm-updatecode + updatedb).
pm-updatecode (upc) Update Drupal core and contrib projects to latest recommended releases.
pm-updatestatus(ups) Show a report of available minor updates to Drupal core and contrib projects.

Role commands: (role)
role-add-perm (rap) Grant specified permission(s) to a role.
role-create (rcrt) Create a new role.
role-delete (rdel) Delete a role.
role-list (rls) Display a list of all roles defined on the system. If a role name is provided as an argument, then all of the permissions of that role will be listed. If a permission name is provided as an option, then all of the roles that have been granted that permission will be listed.
role-remove-perm(rmp) Remove specified permission(s) from a role.

SQL commands: (sql)
sql-cli (sqlc) Open a SQL command-line interface using Drupal’s credentials.
sql-connect A string for connecting to the DB.
sql-create Create a database.
sql-drop Drop all tables in a given database.
sql-dump Exports the Drupal DB as SQL using mysqldump or equivalent.
sql-query (sqlq) Execute a query against a database.
sql-sanitize(sqlsan) Run sanitization operations on the current database.
sql-sync Copies the database contents from a source site to a target site. Transfers the database dump via rsync.

Search commands: (search)
search-index Index the remaining search items without wiping the index.
search-reindex Force the search index to be rebuilt.
search-status Show how many items remain to be indexed out of the total.

State commands: (state)
state-delete (sdel) Delete a state value.
state-get (sget) Display a state value.
state-set (sset) Set a state value.

User commands: (user)
user-add-role (urol) Add a role to the specified user accounts.
user-block (ublk) Block the specified user(s).
user-cancel (ucan) Cancel a user account with the specified name.
user-create (ucrt) Create a user account with the specified name.
user-information(uinf) Print information about the specified user(s).
user-login (uli) Display a one time login link for the given user account (defaults to uid 1).
user-password (upwd) (Re)Set the password for the user account with the specified name.
user-remove-role(urrol) Remove a role from the specified user accounts.
user-unblock (uublk) Unblock the specified user(s).

Watchdog commands: (watchdog)
watchdog-delete Delete watchdog messages.
(wd-del, wd-delete)
watchdog-list(wd-list) Show available message types and severity levels. A prompt will ask for a choice to show watchdog messages.
watchdog-show(wd-show, ws) Show watchdog messages.

Other commands: (make)
make Turns a makefile into a working Drupal codebase.
make-generate(generate-makefile) Generate a makefile from the current Drupal site.